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The speed of a particle moving in a circle 2.0 m in radius increases at the constant rate of 4.4 m/s2. At an instant when the magnitude of the total acceleration is 6.0 m/s2, what is the speed of the particle?
Medical x rays are taken with electromagnetic waves having a wavelength around 0.104nm. What is the wave number of such waves
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. The first minimum of the diffraction pattern is 1.5 cm from the central maximum. How wide is the slit?
The focal lengths of the objective and the eyepiece in a microscope are 0.29 and 2.5 cm. what is the distance between the objective and the eyepiece?
A 50g ball of clay traveling at speed v0 hits and sticks to a 1.0kg block sitting at rest on a frictionless surface. what os the speed of the brick after the collision
A test rocket is launched, starting on the ground, from rest, by accelerating it along an incline with constant acceleration "a", what is the position vector when the rocket is at its highest point
In an open manometer filled with mercury (densty = 13600 kg ? m3 ), the level of mercury column in the air side is 0.09 m higher than that in the gas side
A 6 m long 50 kg ladder leaning on a frictionless wall can successfully be scaled by a 120 kg man. What is the minimum angle between the ladder and the floor
At what time does the bolt hit the top of the still-decending elevator.
A long pipe of outer radius 3.60 cm and inner radius 3.06 cm carries a uniform charge density of 3.22 mC/m3. calculate the electric field r = 7.56 cm from the centerline of the pipe
A person scuffing her feet on a wool rug on a dry day accumulates a net charge of -95?C. By how much does her mass increase
A bar magnet is oriented with its magnetic dipole moment at 39.5° to the direction of a 0.0689-T magnetic field, causing a torque of 0.00351 N·m to act on it
A planar electromagnetic wave is propagating in the +x direction. What is the Poynting vector at the point P at that instant
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